Chemical composition of the ore and occurrence state of the elements in Jingbaoshan platinum-palladium deposit |
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| Authors: | Huanbin Song Mingqin He Shangzhong Zhang Fenghuang Yi |
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| Institution: | (1) Honghe University, Mengzi, 661100, Yunnan, China;(2) College of Resources and Environment, Guizhou University, Guiyang, 550002, China;(3) Center Laboratory of Geology and Mineral Product in Yunnan Province, Kunming, 650218, China |
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| Abstract: | The Jingbaoshan platinum-palladium deposit is China's largest independent PGM (platinum-group metals) deposit so far discovered. There are eleven kinds of useful components in the ore: Pt, Pd, Os, Ir, Ru, Rh, Au, Ag, Cu, Ni, and Co. The platinum-group elements, gold and silver occur in the form of minerals in ores. twenty-five kinds of precious metal minerals have been found, of which twenty one belong to the platinum-group minerals. The minerals are very small in grain size. Copper occurs mainly as copper sulfide with a small amount of free copper oxide, and the beneficiated copper accounts for 95.21%. Nickel occurs mainly as nickel sulfide, and some nickel silicate and nickel oxide occur in the ore. The beneficiated nickel accounts for 72.03%. Cobalt occurs mainly as cobalt sulfide, and there are some cobalt oxide and other kinds of cobalt. The beneficiated cobalt accounts for 77.58%. |
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| Keywords: | ore element chemical composition occurrence state Jingbaoshan platinum-palladium ore deposit Yunnan |
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